Merge pull request #36 from Kricket/master

Thanks for work done Kricket ! And go on to unexplored gaedo skies !
Merge pull request #39 from Kricket/master

Should allow collections to be ordered in graph
[maven-release-plugin] prepare release gaedo-0.4.13
[maven-release-plugin] prepare for next development iteration
Update README.md

added 0.4.13
Merge pull request #40 from Kricket/master

Seems like old collections (prior to that sorting scheme) couldn't be merged with ease with new values.
[maven-release-plugin] prepare release gaedo-0.4.14
Merge branch 'master' of https://github.com/Riduidel/gaedo
[maven-release-plugin] rollback the release of gaedo-0.4.14
[maven-release-plugin] prepare release gaedo-0.4.14
[maven-release-plugin] prepare for next development iteration
Reverted one feature of gaedo to fix #41
Was that feature useful ? We'll see when we miss it :-)
Consider this commit fixes #41
[maven-release-plugin] prepare release gaedo-0.4.15
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] rollback the release of gaedo-0.4.15
[maven-release-plugin] prepare release gaedo-0.4.15
[maven-release-plugin] rollback the release of gaedo-0.4.15
[maven-release-plugin] prepare release gaedo-0.4.15-take-2
[maven-release-plugin] prepare for next development iteration
Fixes #42 by restoring the feature that was stupidly removed for #41 (and provides some additional features)